-/* nsi.c
- * Linux CAN-bus device driver.
- * Written by Arnaud Westenberg email:arnaud@wanadoo.nl
- * Rewritten for new CAN queues by Pavel Pisa - OCERA team member
- * email:pisa@cmp.felk.cvut.cz
- * This software is released under the GPL-License.
- * Version lincan-0.2 9 Jul 2003
- */
+/**************************************************************************/
+/* File: nsi.c - CAN104 PC/104 card by NSI */
+/* */
+/* LinCAN - (Not only) Linux CAN bus driver */
+/* Copyright (C) 2002-2009 DCE FEE CTU Prague <http://dce.felk.cvut.cz> */
+/* Copyright (C) 2002-2009 Pavel Pisa <pisa@cmp.felk.cvut.cz> */
+/* Funded by OCERA and FRESCOR IST projects */
+/* Based on CAN driver code by Arnaud Westenberg <arnaud@wanadoo.nl> */
+/* */
+/* LinCAN is free software; you can redistribute it and/or modify it */
+/* under terms of the GNU General Public License as published by the */
+/* Free Software Foundation; either version 2, or (at your option) any */
+/* later version. LinCAN is distributed in the hope that it will be */
+/* useful, but WITHOUT ANY WARRANTY; without even the implied warranty */
+/* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU */
+/* General Public License for more details. You should have received a */
+/* copy of the GNU General Public License along with LinCAN; see file */
+/* COPYING. If not, write to the Free Software Foundation, 675 Mass Ave, */
+/* Cambridge, MA 02139, USA. */
+/* */
+/* To allow use of LinCAN in the compact embedded systems firmware */
+/* and RT-executives (RTEMS for example), main authors agree with next */
+/* special exception: */
+/* */
+/* Including LinCAN header files in a file, instantiating LinCAN generics */
+/* or templates, or linking other files with LinCAN objects to produce */
+/* an application image/executable, does not by itself cause the */
+/* resulting application image/executable to be covered by */
+/* the GNU General Public License. */
+/* This exception does not however invalidate any other reasons */
+/* why the executable file might be covered by the GNU Public License. */
+/* Publication of enhanced or derived LinCAN files is required although. */
+/**************************************************************************/
#include "../include/can.h"
#include "../include/can_sysdep.h"
int nsican_irq=-1;
unsigned long nsican_base=0x0;
-static can_spinlock_t nsican_port_lock=SPIN_LOCK_UNLOCKED;
+static CAN_DEFINE_SPINLOCK(nsican_port_lock);
/* IO_RANGE is the io-memory range that gets reserved, please adjust according
* your hardware. Example: #define IO_RANGE 0x100 for i82527 chips or
DEBUGMSG("Resetting nsi hardware ...\n");
/* we don't use template_write_register because we don't use the two first
register of the card but the third in order to make a hard reset */
- outb (1, nsican_base + candev->res_addr);
- outb (0, nsican_base + candev->res_addr);
+ can_outb (1, nsican_base + candev->res_addr);
+ can_outb (0, nsican_base + candev->res_addr);
for (i = 1; i < 1000; i++)
udelay (1000);
* argument supplied at module loading time.
* The clock argument holds the chip clock value in Hz.
*/
-#define CHIP_TYPE "i82527"
int nsi_init_chip_data(struct candevice_t *candev, int chipnr)
{
- candev->chip[chipnr]->chip_type=CHIP_TYPE;
+ i82527_fill_chipspecops(candev->chip[chipnr]);
candev->chip[chipnr]->chip_base_addr=
- candev->io_addr;
+ can_ioport2ioptr(candev->io_addr);
candev->chip[chipnr]->clock = 16000000;
nsican_irq=candev->chip[chipnr]->chip_irq;
nsican_base=candev->chip[chipnr]->chip_base_addr;
* base address.
* Unless the hardware uses a segmented memory map, flags can be set zero.
*/
-int nsi_init_obj_data(struct chip_t *chip, int objnr)
+int nsi_init_obj_data(struct canchip_t *chip, int objnr)
{
chip->msgobj[objnr]->obj_base_addr=
* on the CAN chip. You should only have to edit this function if your hardware
* uses some specific write process.
*/
-void nsi_write_register(unsigned char data, unsigned long address)
+void nsi_write_register(unsigned data, can_ioptr_t address)
{
/* address is an absolute address */
/* write the relative address on the eight LSB bits
and the data on the eight MSB bits in one time */
- outw(address-nsican_base + (256 * data), nsican_base);
+ can_outw(address-nsican_base + (256 * data), nsican_base);
}
/* The function template_read_register is used to read from hardware registers
* on the CAN chip. You should only have to edit this function if your hardware
* uses some specific read process.
*/
-unsigned nsi_read_register(unsigned long address)
+unsigned nsi_read_register(can_ioptr_t address)
{
/* this is the same thing that the function write_register.
We use the two register, we write the address where we
can_spin_irqflags_t flags;
can_spin_lock_irqsave(&nsican_port_lock,flags);
- outb(address-nsican_base, nsican_base);
- ret=inb(nsican_base+1);
+ can_outb(address-nsican_base, nsican_base);
+ ret=can_inb(nsican_base+1);
can_spin_unlock_irqrestore(&nsican_port_lock,flags);
return ret;
}
projects / lincan.git / blobdiff